| All Patents in class 408/169 |
Patents 1 -
10
of 10
      |
| Number | Title | Classification(s) |
| 48,548 | Improved Expanding Drill | 408/169 |
| 79,276 | Reamer | 175/272, 408/168, 408/169 |
| 122,243 | Improvement in Boring Bars for Facing the Ends of Cylinders | 408/169, 408/94, 411/437, 83/563 |
| 184,097 | Screw-Tap | 408/169 |
| 330,999 | Screw Tap | 408/169, 470/199 |
| 716,439 | Reamer | 29/90.01, 408/169 |
| 1,356,867 | Collapsible tap | 408/169 |
| 1,960,319 | Expansion Reamer | 407/45, 407/49, 407/50, 408/169 |
| 2,206,941 | Reamer | 408/143, 408/156, 408/169, 408/713 |
| 3,730,636 | Boring Head | 408/152, 408/169, 408/179, 408/185 |
